/******************************************************************************
 * Copyright (c) 2009-2022, Barthelemy Dagenais and individual contributors.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * - The name of the author may not be used to endorse or promote products
 * derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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package py4j.instrumented;

import java.io.IOException;

import py4j.CallbackClient;
import py4j.Py4JClientConnection;

public class InstrCallbackClient extends CallbackClient {

	public InstrCallbackClient(int port) {
		super(port);
		MetricRegistry.addCreatedObject(this);
	}

	@Override
	protected void finalize() throws Throwable {
		MetricRegistry.addFinalizedObject(this);
		super.finalize();
	}

	@Override
	protected Py4JClientConnection getConnection() throws IOException {
		Py4JClientConnection connection = null;

		connection = this.connections.pollLast();
		if (connection == null) {
			connection = new InstrCallbackConnection(port, address, socketFactory);
			connection.start();
		}

		return connection;
	}
}
